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A Beginner Guide (Why & How ) to Using Boardview Schematics for Phone Repairs

Today we will introduce the new REFOX boardview software. Boardview software is an indispensable tool for phone board repairs. The circuits on the motherboard are intricate. Sometimes it is very difficult for us to recognize each circuit just by the appearance. Moreover, there is no way of knowing the contacts of each component.

However, boardview software distinguishes and marks each component on the motherboard. It can help us determine if the components have contact, which can substantially increase the efficiency of troubleshooting.

We can get a lot of information from the boardview software. There are two main sections of the boardview software. Simply put, the bitmap tells you the location and name of each component, while schematics tell you what each component does.

For starters, we can know what the component is through the initial letter. C is the capacitor, J is the connector, R is the resistor, U is the chip, and L is the inductor. The color can tell you the function of each area. The gray areas are grounded while blue areas are empty with no use. The yellow areas serve as signal or power supplies.

Last but not least, we can quickly find the contact components through clicking one component. In the split view, by clicking one component of the bitmap,the schematics will automatically jump to the corresponding component.

In addition to the above functions, resistance values can also be viewed in REFOX boardview software. You can even define your own resistance values.

Next, we will show you how to use the REFOX boardview software with a repair case. The iPhone 12 won’t turn on.

Then we need to take out the motherboard for further testing. Heat the phone with a heating pad and remove the screen with an opener.

It can be seen that the area around the display connector is severely corroded. Clean the corroded area with PCB cleaner.

Install the screen and plug in the direct current supply. Prompt a boot-up with tweezers. The boot current is fine but there is nothing on the screen.

Then we measure the diode values of the connector and compare the measured values with the values on the boardview software. The measured values do not have to be the same but the differences shouldn’t be large. When measuring pin 14, the diode value turns out to be abnormal.

Open the bitmap and find pin 14 of the connector. Click it and we find it has contact with one inductor.

The inductor has been corroded away from the motherboard. Next, we need to install a new inductor. Open the split view of the boardview software. Clicking the inductor on the bitmap can bring you to the inductor in the schematics. Judging from the schematics, the inductor is 700HM. Then we need to install an inductor of the same value. 

In the first place, apply some flux and middle-temperature solder paste. Solder the inductor with a hot air gun at 380 °C.

After the motherboard cools, measure the diode value. The diode value returns to a normal value.

Then we put the motherboard back on. The phone turns on and that is a repair done.

As you can see, the REFOX boardview software is of great help to board repairs. To give back to users, REFOX boardview software has launched a referral program. You can earn free days and rewards by simply inviting your friends to subscribe to any plans from REFOX boardview software. Please feel free to visit refoxteam.com for details if you are interested.

Easy Steps of Face ID Dot Projector Repair

As we mentioned about the solution of battery restoration last time, today we’re about to share with you the steps of Face ID dot projector repair. 

1. Use a multi-function programmer to test the dot projector cable whether it works or not. 

2. It's malfunctioning, so we need to write the data of the dot projector  has been on to the new one

3. To make positioning with a holding fixture

4. Place the dot projector onto another holding fixture, heat with hot air hun at 160-200℃. Pay attention not to heat the front camera preventing damage

5. After 15 seconds, pry up the dot projector module and crystal

6. Take out the flex cable

7. Heat the module at 330 ℃ and detach it from the flex cable

8. Heat with a hot air gun at 330 ℃, remove the MOSFET with a sculpture knife

9. Solder iron at 380℃ and jump wire between pin 2 and pin 3

10. Solder the dot projector module on the new cable

11. Test with the programmer to see if it works or not, if it doesn't, then we need to resolder 

12. Reassemble the dot projector cable on the metal plate, positioning it with the holding fixture

13. Fix it with adhesive and lastly do a test

Therefore, we recommend you the REFOX RP30 Multi-function Restore Programmer to assist you to finish all repair operations.

Battery data reading and writing applicable for iPhone: 
11/11P/11PM/12/12P/12PM/12MINI/13/13P/13PM/13 MINI
Face ID data restore applicable for iPhone X-12 Series

True Tone function will come soon, more processes will be extended via the online free firmware 

Connect the software on the PC end, modify data

Support data cloud backup and download

Software updating continuously...

If you are interested in REFOX RP30, please purchase it through: 

Any problem with the programmer or repair skill, welcome to leave us to comment

How to restore iPhone battery data

Programmer: Easy steps of replacing battery or display on the iPhone

Normally we replace the original iPhone screen or battery with the third-party one when it confronts a screen or battery problem. Overall, it's more cost-effective. 

But after replacing it with the new battery, the alert message from iPhone will pop up starting from the XS Series since the replacement is not the iPhone original. Not only this, the cycle of the battery shows different from the original one. Though it will not affect the battery's performance on iPhone. We need a multifunctional iPhone repair programmer to restore data in this condition as well as to repair the Face ID dot matrix. 

Now we use REFOX RP30 Multi-function Restore Programmer for iPhone as an operation reference.

In the first place, there are some steps for REFOX RP30 Multi-function Restore Programmer. It's unnecessary to use the external flex cable for the replacement of the iPhone XS/XS MAX/XR to remove the Important Battery Message. We just need to solder the original battery board to the new battery, then connect it to the repair programmer and recalibrate the data on it. That's done. 


But the battery since iPhone 11, we need an external flex cable except for the operation as above. After soldering the original battery board to the new battery, connect the flex cable with the motherboard ”Important Battery Message“ is displayed. Then we install the new battery. Go to "Setting" to view the battery health information. The maximum capacity is 100% and there is no“Important Battery Message”

It's time to put this RP30 Multifunctional repair programmer into your shopping cart. Good to improve your work efficiency!

How to Open a Phone Safely and Efficiently - REFOX Mobile Phone Opening Solution

In daily repair work, whether it's a simple screen & battery replacement or high-temperature soldering, we all need to open the phone. How to open the phone safely and efficiently has always been a hot topic.

The traditional way of opening a phone is to use a hot air gun for pre-heating, which is time-consuming and hard to achieve even heating.  After heating, the strength of lifting the screen by the suction cup is tough to control. If you are not skilled enough, you can easily break the flex cables.

Apple has recently launched its self-service opening tools, including a heated display removal fixture. The tool is not only big and hefty but also expensive. 

Today we will introduce the latest REFOX phone opening solution.

In the first place, we use the heat mat to heat the phone. Set the temperature to 80 °C. We measure that it only takes about five minutes to heat up to 80 °C.

The temperature variation between the front and back of the heating area is about 20 °C, so there is no need to worry about burning to the working table. Compared with the hot air gun, the heat mat heats up fast with even heating to soften the adhesive quickly.

Next, we place the phone back down on the heating mat for 5 minutes. After heating, we use the opening tool to open the phone. For starters, we turn the dial on the right to the top.

Then lift the upper body of the opener and place the phone on the suction cup. The suction is strong and the phone is firmly attached.

We can see that the opening area is covered with protective foam padding and there is even a camera groove. It can keep your phone safe and scratch-free during operation.

The next step is to place the back down on the opening area. For different sizes of phones, we can adjust the left dial to attach the phone.

As the phone is attached, lower the upper body and suction cup on the phone.

Then we fasten the suction up and rotate the right dial to lift the display.

To prevent breaking the flex cable. Please stop rotating when the angle between the screen and back housing is 15 degrees. 

Compared to the suction cup, the strength of the opening tool is easier to control for lifting the display, thus lowering the risk of breaking the display or flex cable. Other than the opening area, the tool features a pressing area. After the repair is complete, turn the dial to keep the screen or back cover firmly in place with the adhesive.  

To sum up, the latest REFOX phone opening solution boasts high efficiency and safety. It is suitable for opening both android phones and Apple’s iPhone, keeping your daily repairs safe and efficient.  Currently, there is free shipping for the opening tool kit on REWA Shop. Please feel free to leave a comment or contact our account managers if you are interested.

How to Remove iPhone (11-12) Non Genuine Screen Message by Aftermarket Screens

For iPhone 11 and higher ones, if you get your screen changed from a non-authorized repair service center,“Important Display Message” will appear.

As screen replacement is one of the most common repairs for iPhone, the price of Apple's official screen replacement is several times that of third-party repair parts, which makes consumers have to turn to third-party repair channels.

However, the non-genuine screen warning will inevitably appear after third-party screen repair. Third-party screen replacement generally offers OEM or aftermarket screen. For OEM screen, we can transfer the original IC to the new OEM screen, which can get rid of the non-genuine display alert. Unfortunately, this doesn’t apply to most aftermarket screens. After testing by our engineers, we select several aftermarket screen assemblies that support IC transfer to remove the warning message, ranging from iPhone 11 series to the latest iPhone 12.

Next, we will show you how to remove the warning message with the aftermarket iPhone 12 Pro screen. After third-party aftermarket screen replacement, a non-genuine display warning appears and True Tone disappears.

As the aftermarket screen only stores the touch and pop-up encryption data, we need to restore the True Tone firstly. Connect the original screen with the programmer to read the True Tone. Then connect the aftermarket screen with the programmer to write the True Tone.

After reading and writing, True Tone is restored on the aftermarket screen but there is still a warning message.

The next step is to transfer the IC. Pre-heat the flex cable with a hot air gun at 240 °C. Then apply some alcohol and carefully pry up the flex cable.

Insert a blade under the flex cable and apply high-temperature tape around the IC. With hot air gun at 240 °C and airflow 8 for about 6-8 seconds, we desolder the chip.

As the chip is removed, we apply some middle-temperature solder paste and paste flux. Flatten the bonding pads with soldering iron at 300 °C. Then remove adhesive with hot air gun at 300 °C. Clean the bonding pads with PCB cleaner.

Scrape away black adhesive on the edges. Once cleaned, apply some middle-temperature solder paste. Form the solder balls with hot air gun at 300 °C.

Next, we use the same method to remove the IC on the aftermarket screen. Please take protection measures thoroughly. As the soldering for aftermarket IC is different, we only need to use hot air gun at 100 °C for 5 seconds to desolder it.

Apply some paste flux to the bonding pads. Remove tin on the bonding pads with soldering iron at 320 °C. Clean the bonding pads with PCB cleaner.

It can be seen that the pins and solder joints are consistent with the original screen.

Then we install the original IC. Apply some paste flux. Solder the IC with hot air gun at 240 °C. After the screen cools, clean residue soldering paste with PCB cleaner.

Install the aftermarket screen. There is no non-genuine display warning and True Tone is restored. The display and touch also work fine.

As the technology becomes more and more mature, many third-party screens are not much worse than the original genuine screens. In terms of display effect, touch effect and price, the third-party screen replacements are much more cost-effective than Apple's original screen replacements. We not only provide aftermarket screens that support IC transfer to get rid of the warning message but also full set of tools and technical support. Other than that, we provide aftermarket screens without the IC to save you from the trouble of removing. If you are interested, please don’t hesitate to contact our account managers.

REFOX RS30 Heating Pad for Phone Repair

REFOX RS50 Mobile Phone Opener and Clamp Fixture

How to choose iPad Touch Screen Digitizer Assembly?

The 1st gen. iPad was released by Apple in 2010. For now, it consists of 4 lineups, the original iPad lineup, and 3 flagships: the iPad Mini, iPad Air, and iPad Pro. As iPad gaining share in the tablet market these years, the 3rd-party repair store has to repair more and more iPad cases.

Why choose an iPad Digitizer Assembly?

The most common type of problem is screen breakage, replacing the screen assembly, which means spending higher costs. However, refurbishing a broken screen by replacing iPad Digitizer can save more cost and provide a competitive service price for clients.

Compared with OEM NEW Grade, the difference in appearance of Assemble (S+) Grade and Other Aftermarket Grade are revealed in the following dimensions: Flex Cable, Bezel Color, Max Value. Of Bending Force and more. 

  • Flex Cable: The flex cable of Assemble (S+) Grade look-alike  OEM NEW Grade, Other Aftermarket Grade has a different luster without the embossing from OEM NEW & Assemble (S+) Grade.
  • Bezel Color: The bezel color of OEM New and Assemble (S+) Grade are like metallic, Other Aftermarket Grade is almost gray.
  • Max. Value of Bending Force: OEM NEW (78.16 kgf) > Assemble S+ (72.86 kgf) > Other Aftermarket (30.76 kgf) 

Here is the roundup for iPad Digitizer Assembly Different Grade, showing the comparison of Glass lens, Rigidity, Transparency, Connect Stability, Hydrophobic Effect, After-Sale Rate, and Cost-Performance.

The Assemble (S+) Grade of iPad Digitizer is selected by REWA Supply, which is in Great Price with the stable inventory.

Diversify Quality Grading, 1 Year Warranty Covered, and 95+% Satisfaction with QC Test are the main advantages of REWA Selected Products.

The whole iPad touch screen digitizer quality checking process follows these steps:

Received materials > Check Appearance > Check Touch Function > Check Small Parts like Camera Frame, Adhesive Tape, Home Button etc. (Depend on Request) > Check Final Appearance > Cover the Protect Film > Inner Packing > Outside Packing > Ship Out

For more iPad Touch Digitizer Testing Process:

If you have any inquiry, please contact us at service@rewa.tech